Astronomers have discovered that super-Earth exoplanets are more common across the universe than previously thought. While it can be relatively easy to locate worlds that orbit close to their star, ...

NASA’s Nancy Grace Roman Space Telescope is gearing up to unlock the deepest secrets of the universe with three ...

The planet, roughly the mass of Mercury, orbits its star extremely close, so close that its surface is likely covered in magma evaporating into space. As it orbits its star in just 30.5 hours, the ...

Hubble’s 35-year journey showcases humanity’s boldest space achievements, capturing everything from new stars forming to ancient galaxies. Its discoveries revolutionized our understanding of black ...

In the years since, Hubble has gathered more than 1.6 million observations and 430 terabytes of data. The telescope has ...

April 21 - 28 is International Dark Sky Week, a global celebration of the night sky during which like-minded organizations ...

From Lowell Observatory to Kitt Peak to Mount Graham, here are the 11 best planetariums and observatories in Arizona and ...

Hubble is still going strong 35 years after it was launched into space. Celebrate its anniversary with some out-of-this-world images.

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This Earth Day 2025, celebrate our incredible planet by exploring these nine fascinating facts that highlight Earth's uniqueness and beauty. Earth Is the Only Known Planet to Support Life Earth is the ...